For general questions on heating in your home.

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0
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1answer
31 views

Help needed to calculate the R value of a brick veneer wall (house built in 1958)?

I live in a house that was build in 1958. I am looking for the R value of my brick veneer walls. For that I would need to know how the wall was built (there should be the brick, some sheating, ...
0
votes
1answer
430 views

why does my heat pump wiring diagram show 7 wires going to the thermostat but the thermostat only says it needs 5?

Here is a link to the wiring diagram for my heat pump. The thermostat that I am planning on buying has the following terminals C, G, Y, O/B, RC, R, Aux, E, and L. The instructions say to jump the RC ...
2
votes
2answers
286 views

How can I use bulk electrical wire to make a subfloor heating system?

Electrical floor heating kits run US$10 to $15 per square foot, but bulk wire only costs $2.50. With the controller, you're still running under $4 a square foot. I have a construction background, but ...
2
votes
1answer
2k views

What should I do about this Alpha HE CB33 Boiler pressure error condition?

I have an alpha he cb33 boiler which has stopped working this morning. Yesterday I removed a radiator for cleaning then put it back on and re-pressurised the system. It was working ok last night. ...
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2answers
21k views

Why does my heating system only blow cold air?

My heating system only blows out cold air, not hot. I've left it on for a good 15 minutes to see if it will warm up, and I get nothing but cold air. I've even put it on Auto and waited some more, ...
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2answers
691 views

Why won't the heat shut off in one zone?

we have a three zone baseboard hotwater furnace. a few months ago one zone would randomly stay on, we did change the thermostat we have not noticed the problem again, but in another zone we have the ...
2
votes
1answer
113 views

how to change furnace filter (bottom return) for Lennox G43UF

I have a Lennox G43UF furnace and I am not sure if I need to have both a filter for a side return and bottom return. If I do (which sounds logical), where would the location of the bottom return ...
4
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6answers
5k views

Can I warm up a swimming pool by submerging black-painted milk jugs in it?

I know they make solar covers for pools, but I that is a bit of a pain to put on and take off all the time and my cover (from a well known manufacturer) from last year was easy to rip and became ...
-1
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1answer
17 views

In England: ground or air based heat pump?

Weather is not too extreme in southern England, will not need a/c. Want to install central heating for the first time in an old Victorian house. There are no radiators, no base board units, no ...
0
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1answer
109 views

Why does my boiler keep firing up?

My boiler fires up but does it 4 times in a row and then does the same every hour. It's using a lot of money. Should my boiler be doing this? My landlord had a heating engineer out and he said it ...
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4answers
35 views

how to hook up 2 thermostats in series?

I have a tenant on the 1st floor who controls the thermostat. It's constantly on 80 and the 2nd floor is dying from the heat. Can I install a 2nd thermostat in the basement and limit the heat output?
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1answer
133 views

Why are only 2 of the 14 posts in my radiator heating up?

I recently changed from oil heat to gas. All the radiators work in my 2 story home except for one on the first floor, which heats 2 out of the 14 posts. I changed the valve, which didn't work. Then I ...
0
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1answer
52 views

solar tubes to heat room [closed]

What if I actually WANTED to use a solar (skylight) tube to help heat a room? (WANTED because some folks have reported unwanted heat coming down the shaft to be a problem in the summer.) It struck me ...
6
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2answers
27k views

What is difference between BTU and MBH for house furnaces?

When selecting a new house furnace most calculators display results as BTUs (based on the square footage, number of levels, estimated temperature, etc). What's interesting is that most new furnaces ...
3
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3answers
3k views

Increase wood fireplace efficiency

We have a large fireplace and plenty of free or cheap wood and love having fires for warmth and entertainment. An open fireplace is not an ideal source of heat, but I wanted to know if there's a ...
0
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1answer
53 views

Outside unit fan not running

we recently had an ice storm in the DFW area. Our outside unit is in a shady area that hasn't completely thawed out yet. Therefore, we have significant ice around the unit (and even inside) that ...
1
vote
1answer
147 views

Why won't my electric baseboard heaters work?

I'm installing a 72" 240V baseboard heater in a home office. I ran 12/2 gauge wire, installed a 20 amp 2-pole breaker and 2-pole thermostat. I'm pretty good with electrical, and so I can confirm that ...
0
votes
1answer
50 views

Central Air duct does not blow

We moved into a new house last year, the central A/C works great for all the rooms (even for closet) but we have a problem in just one room. There is almost no air flow coming from that room's air ...
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0answers
24 views

HVAC ducts ready for finished basement?

I'm starting to finish my basement. Before I do so, I want to be sure the ductwork is sufficient to keep it warm during Colorado winters. The basement was finished when we moved in, but gross, so we ...
0
votes
1answer
166 views

Why does the blower in the attic vibrate during heating when it is really cold?

We have a Carrier heat pump system in our home, and the blower is located in the attic. When it is especially cold, the blower runs on high (there are three levels: high, medium, low). During this ...
0
votes
1answer
615 views

How do I remove a stubborn element from a water heater?

I need to pull and replace the elements in my water heater. The problem is, I can't get the old ones out. My Channellock pliers can get a grip, but slips off pretty easily. Is there something ...
0
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3answers
3k views

Why is my Central Heating taking so long to heat up?

I'm in the UK with a small modern, well insulated, double glazed home heated by a traditional gas boiler. My heating had been achieving room stat temperature within 30 minutes but is now taking at ...
5
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3answers
6k views

Can I substitute diesel for home heating oil?

I ran out of oil in my home, and a plumber friend said that I could add diesel from the gas station while I wait for my oil delivery. Is he right?
3
votes
3answers
7k views

Why does the gas furnace blow cold air at the start of the heating cycle?

What does this problem sound like? There is a 25 year old gas furnace in the house we rent. (The guy that owns the place claims there is NO problem at all. He said the igniter is brand new and ...
3
votes
1answer
4k views

Convert line voltage heating system to use low voltage thermostats

I currently have two line voltage ceiling radiant heating systems in my condo each with their own DPST thermostat. I'd like to use low voltage thermostats such as the nest. I found this ...
0
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1answer
17 views

How do you change baseboard heater to cast iron radiator

All my heat is from cast iron radiators e xcept for one room ( third story loft). How do I change from baseboard to cast iron radiators?
1
vote
1answer
175 views

What does the low limit do, and where should it be set on an oil fired hot water furnace?

What does the low limit do, and where should it be set? My furnace has a honeywell triple aquastat relay and has a difference dial. Water temp is about 190 deg F. Also, water psi gauge is only ...
2
votes
1answer
51 views

What can I do about an old steam baseboard heating valve that wont turn?

It is currently the fall. It is cool outside but is like a sauna inside due to the heaters in my apartment. I have complained about this issue repeatedly to the building super and office. They said ...
3
votes
4answers
3k views

Can bio fuel ethanol used as a main heating source?

I recently discovered some heaters based on "bio fuel" (ethanol). Many products seem to be decorative and often present a modern design. Some ethanol burners can be used in empty fireplaces and can ...
0
votes
1answer
34 views

Baseboard heater and thermostat trouble!

My baseboard heater in a bedroom quit working. I tried to replace it and the thermostat at the same time (both are 120v). Neither would work, so I tested my wires and this is what I got: ground to ...
0
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1answer
269 views

Can I replace this Airwell thermostat?

I am in market to replace my simple A/C control unit with one that integrates with home my z-wave based home automation system. However, before I make the splash and buy a compatible thermostat, I ...
1
vote
1answer
333 views

What could cause a Trane furnace to not start heating?

I have a newer (2007?) Trane XL90 (model: tdx2b080a9422aa)forced air gas furnace. The problem I am having is the burner and fan will not start. The thermostat is set at 67 degrees and shows it is ...
6
votes
1answer
494 views

What type of rubber pipe is used for this particular installation of hydronic radiant in-floor heating, and is it reliable?

I'm looking at a home built in the 80's with hydronic radiant in-floor heating embedded in concrete slab. I've never seen this type of hydronic tubing before. I'm pretty sure that the attached photo ...
0
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1answer
35 views

Can I put a thermostat on my wood burning furnace?

I have a wood burning furnace with its own blower. I would like to control the blower with a thermostat. Is it possible? The unit has a limit switch.
0
votes
1answer
47 views

Why isn't my Empire heater blower working?

The blower on my empire vented room heater model RH-50-6 will not come on. We know the motor and fan work and we have replaced the fan control switch. We don't know what to try next.
0
votes
1answer
28 views

Heat radiators not all working

I am new to this place and looking for help. Just feel that I wanna try to fix my heat system by myself rather than waiting for (really sucking) pes&g guys. Repairmen came days ago and was ...
1
vote
2answers
106 views

How much heat loss through bathroom fan vent?

My master bathroom did not previously have bathroom fan, but I installed one and have had wonderful results with keeping the steam from building up and exhausting the moist air. I am using both a fan ...
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0answers
35 views

Need help with my furnace

Why does my fan blow cold air and not stop but when I turn the air down my heating coils in my furnace seems to kick on and get real hot then kick off and kick back on please help it's freezing
0
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0answers
15 views

blower runs intermittenly

I have a coal furnace, the damper motor fried and could not find one like it anyhere. I had to buy a actuating motor and transformer to power it. I also bought a new fan/ limit switch. I wired the ...
0
votes
1answer
40 views

Is their a Radiator Safe expanding Foam?

So I live in an apartment building and I have a Bug problem, go figure. I have had my place spray repeatedly to try and get rid of them, but with in a few weeks there always back, worst than when the ...
0
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0answers
112 views

Why does my Trane only blow cold air when the system is set to Heat?

The thermostat is set at Heat at about 69 but it doesn't warm up. Stays at 65. Just blowing cold air. I had someone come out to look at my Trane XB80, and he said it was probably a bad gas valve. It ...
0
votes
1answer
40 views

How can I build custom air ducts for an in-wall heater?

I have a in-wall heater just like this one: It sucks cold air from lower part of vent, heats inside, and blows it out in the upper part of the vent. Now I have the basic problem of putting a ...
0
votes
1answer
65 views

Are uninsulated steam pipes behind walls and touching beams a fire hazard?

We are getting our unfinished basement done. We have replaced and rerouted (to make more space) our steam pipes (house built in 1937) with new pipes (Black and I believe 4 inches in diameter). These ...
0
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2answers
48 views

How can we get the temperature balanced in a dual zone house?

We just moved into a rental home. There is one HVAC system, but 2 thermostats. We noticed that when we are upstairs, it sounds like the unit is running constantly. We cant seem to get the ...
4
votes
3answers
11k views

How can I prevent my HVAC condensate drain line from freezing?

Last night, my heat (forced air) suddenly stopped. Today, a plumber figured out that my heater is 90% efficient, produces lots of condensate, and the drain line had frozen. We went outside and saw ...
6
votes
4answers
225 views

Will enclosing my porch keep my house warmer?

Will enclosing my porches during the winter help keep my house warmer? There is a lot of wind hitting the house, and I'm afraid that is causing a drop in temperature.
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0answers
25 views

How can I switch underfloor heating pump after boiler?

my heating system has a boiler which is switched on by a thermostat, it works like this: L/N -> thermostat -> zone valve -> boiler The zone valve has 4 wires, L, N, call for heat and common; once ...
6
votes
3answers
704 views

Why is my power flickering across multiple circuits?

I woke up this morning and went downstairs to find that none of the lights would come on (lights were working fine upstairs). My first instinct was thinking that a breaker had tripped, so I went to ...
1
vote
1answer
553 views

some baseboard heaters not working while others are in same zone

I have three heating zones (forced hot water in baseboards) in my house. On the top floor, one zone controls all the baseboard heaters on that floor. None of the baseboards on one side of the house in ...
2
votes
2answers
28k views

Why does my pilot light keep going out?

My furnace pilot light keeps going out so I changed the thermalcoupler now the furnace will come on and heat up to the degree set on my thermostat, then the pilot goes out and the furnace will not ...